Alberto arches his eyebrow right back at her, though far more incredulous, and not at all imperious. That response takes him aback, but he's undaunted.

"...Nooo... You look crabby. C'mon, I'm just playing around, ragazza. Luca legitimately thought I was gonna murder him and he still took it better than this. Lighten up~"

...He really did sneak up on Luca pretending he was a human about to murder him. That is the exact true story of how they met. These are the social skills we're dealing with here. If Amity's this annoyed by him as it is, Alberto would absolutely steam Odalia's beans...!